Our thermal underwear is made in the Czech Republic. It is made of one layer material - 100% polypropylene. Polypropylene fiber has a low specific weight and excels moisture, so when wearing it, there is a feeling of dryness and thermal equilibrium. Lingerie is suitable for outdoor activities, for outdoor activities, for athletes and hobby activities. It keeps well, it dries quickly after washing. It does not Dovod allergies and is resistant to bacteria and fungi.